Troposphere - Wikipedia
网页The troposphere is the lowest layer of the atmosphere of Earth. It contains 80% of the total mass of the planetary atmosphere and 99% of the total mass of water vapor and aerosols, and is where most weather phenomena occur. [1] .
Troposphere | NASA Space Place – NASA Science for Kids
网页2019年6月28日 · The troposphere is between 5 and 9 miles (8 and 14 kilometers) thick depending on where you are on Earth. It’s thinnest at the North and South Pole. This layer has the air we breathe and the clouds in the sky. The air is densest in this lowest layer.
What Is the Troposphere? - Earth How
网页What Is the Troposphere? The troposphere is the lowest layer of the Earth’s atmosphere. It extends to about 20 km (12 miles) above the Earth’s surface. The air pressure in this layer decreases as altitude increases. This causes the troposphere to have a significant influence on weather conditions.
The Troposphere - Center for Science Education
网页The troposphere is the lowest layer of Earth's atmosphere. Most of the mass (about 75-80%) of the atmosphere is in the troposphere. Most types of clouds are found in the troposphere, and almost all weather occurs within this layer.
Troposphere | Weather, Climate Change & Air Pollution
网页Troposphere, lowest region of the atmosphere, bounded by the Earth beneath and the stratosphere above, with its upper boundary being the tropopause, about 10–18 km (6–11 miles) above the Earth’s surface. The troposphere is characterized by decreasing temperature with height and is distinguished.